#!/usr/bin/env python3
# -*- coding: utf-8 -*-

#
# SPDX-License-Identifier: GPL-3.0
#
# GNU Radio Python Flow Graph
# Title: waterfall_picture
# GNU Radio version: 3.10.10.0

from PyQt5 import Qt
from gnuradio import qtgui
from gnuradio import blocks
from gnuradio import fft
from gnuradio.fft import window
from gnuradio import gr
from gnuradio.filter import firdes
import sys
import signal
from PyQt5 import Qt
from argparse import ArgumentParser
from gnuradio.eng_arg import eng_float, intx
from gnuradio import eng_notation
import sip
import waterfall_picture_epy_block_0 as epy_block_0  # embedded python block



class waterfall_picture(gr.top_block, Qt.QWidget):

    def __init__(self):
        gr.top_block.__init__(self, "waterfall_picture", catch_exceptions=True)
        Qt.QWidget.__init__(self)
        self.setWindowTitle("waterfall_picture")
        qtgui.util.check_set_qss()
        try:
            self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
        except BaseException as exc:
            print(f"Qt GUI: Could not set Icon: {str(exc)}", file=sys.stderr)
        self.top_scroll_layout = Qt.QVBoxLayout()
        self.setLayout(self.top_scroll_layout)
        self.top_scroll = Qt.QScrollArea()
        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
        self.top_scroll_layout.addWidget(self.top_scroll)
        self.top_scroll.setWidgetResizable(True)
        self.top_widget = Qt.QWidget()
        self.top_scroll.setWidget(self.top_widget)
        self.top_layout = Qt.QVBoxLayout(self.top_widget)
        self.top_grid_layout = Qt.QGridLayout()
        self.top_layout.addLayout(self.top_grid_layout)

        self.settings = Qt.QSettings("GNU Radio", "waterfall_picture")

        try:
            geometry = self.settings.value("geometry")
            if geometry:
                self.restoreGeometry(geometry)
        except BaseException as exc:
            print(f"Qt GUI: Could not restore geometry: {str(exc)}", file=sys.stderr)

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 50
        self.length = length = 1024
        self.bandwidth = bandwidth = 1e6

        ##################################################
        # Blocks
        ##################################################

        self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
            1024, #size
            window.WIN_BLACKMAN_hARRIS, #wintype
            0, #fc
            bandwidth, #bw
            "", #name
            1, #number of inputs
            None # parent
        )
        self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
        self.qtgui_waterfall_sink_x_0.enable_grid(False)
        self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)



        labels = ['', '', '', '', '',
                  '', '', '', '', '']
        colors = [2, 0, 0, 0, 0,
                  0, 0, 0, 0, 0]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]

        for i in range(1):
            if len(labels[i]) == 0:
                self.qtgui_waterfall_sink_x_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
            self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])

        self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)

        self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_0.qwidget(), Qt.QWidget)

        self.top_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
        self.fft_vxx_0 = fft.fft_vcc(length, False, window.blackmanharris(1024), True, 1)
        self.epy_block_0 = epy_block_0.blk(image_path=r'E:\1.study\work\SDR\GNUwork\waterfall_picture\picture1.jpg', length=length)
        self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_gr_complex*1, length)
        self.blocks_throttle2_0 = blocks.throttle( gr.sizeof_gr_complex*length, samp_rate, True, 0 if "auto" == "auto" else max( int(float(0.1) * samp_rate) if "auto" == "time" else int(0.1), 1) )


        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_throttle2_0, 0), (self.fft_vxx_0, 0))
        self.connect((self.blocks_vector_to_stream_0, 0), (self.qtgui_waterfall_sink_x_0, 0))
        self.connect((self.epy_block_0, 0), (self.blocks_throttle2_0, 0))
        self.connect((self.fft_vxx_0, 0), (self.blocks_vector_to_stream_0, 0))


    def closeEvent(self, event):
        self.settings = Qt.QSettings("GNU Radio", "waterfall_picture")
        self.settings.setValue("geometry", self.saveGeometry())
        self.stop()
        self.wait()

        event.accept()

    def get_samp_rate(self):
        return self.samp_rate

    def set_samp_rate(self, samp_rate):
        self.samp_rate = samp_rate
        self.blocks_throttle2_0.set_sample_rate(self.samp_rate)

    def get_length(self):
        return self.length

    def set_length(self, length):
        self.length = length

    def get_bandwidth(self):
        return self.bandwidth

    def set_bandwidth(self, bandwidth):
        self.bandwidth = bandwidth
        self.qtgui_waterfall_sink_x_0.set_frequency_range(0, self.bandwidth)




def main(top_block_cls=waterfall_picture, options=None):

    qapp = Qt.QApplication(sys.argv)

    tb = top_block_cls()

    tb.start()

    tb.show()

    def sig_handler(sig=None, frame=None):
        tb.stop()
        tb.wait()

        Qt.QApplication.quit()

    signal.signal(signal.SIGINT, sig_handler)
    signal.signal(signal.SIGTERM, sig_handler)

    timer = Qt.QTimer()
    timer.start(500)
    timer.timeout.connect(lambda: None)

    qapp.exec_()

if __name__ == '__main__':
    main()
